Reatogo-X-PE is a Live CD

Live CD

A live CD, live DVD, or live disc is a CD or DVD containing a bootable computer operating system. Live CDs are unique in that they have the ability to run a complete, modern operating system on a computer lacking mutable secondary storage, such as a hard disk drive...

 builder. It can create a Live CD

Live CD

A live CD, live DVD, or live disc is a CD or DVD containing a bootable computer operating system. Live CDs are unique in that they have the ability to run a complete, modern operating system on a computer lacking mutable secondary storage, such as a hard disk drive...

 of Windows XP

Windows XP

Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. First released to computer manufacturers on August 24, 2001, it is the second most popular version of Windows, based on installed user base...

 and is based on BartPE

BartPE

BartPE is a lightweight variant of the 32-bit version of Microsoft Windows XP or Windows Server 2003, similar to Windows Preinstallation Environment, which can be run from a Live CD or Live USB drive....

. Currently (as of June, 2008) it is the most complete Live CD of Windows XP, since it includes Windows Explorer and Internet Explorer, applications other XP Live CDs don't include.

Limitations

The builder for Reatogo-X-PE runs on Windows Vista but needs to be run under XP SP2 compatibility mode and run as administrator. It only creates XP Live CDs and cannot create Vista Live CDs.

While Reatogo-X-PE has no uninstaller and does not register as an application that can be removed from the Control Panel, it can be "uninstalled" merely by deleting its folder.